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added HasEntry/Group function to wxConfig, corrected entry/group deletion

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bug (were not deleted from file) in wxFileConfig


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@183 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1998-07-07 13:53:19 +00:00
parent a32dd69091
commit 876419ce60
3 changed files with 120 additions and 35 deletions
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33
include/wx/fileconf.h
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@@ -34,12 +34,12 @@
// ----------------------------------------------------------------------------
/*
wxFileConfig derives from base Config and implements file based config class,
wxFileConfig derives from base Config and implements file based config class,
i.e. it uses ASCII disk files to store the information. These files are
alternatively called INI, .conf or .rc in the documentation. They are
alternatively called INI, .conf or .rc in the documentation. They are
organized in groups or sections, which can nest (i.e. a group contains
subgroups, which contain their own subgroups &c). Each group has some
number of entries, which are "key = value" pairs. More precisely, the format
number of entries, which are "key = value" pairs. More precisely, the format
is:
# comments are allowed after either ';' or '#' (Win/UNIX standard)
@@ -118,11 +118,16 @@ public:
virtual bool GetFirstEntry(wxString& str, long& lIndex);
virtual bool GetNextEntry (wxString& str, long& lIndex);
virtual bool HasGroup(const wxString& strName) const;
virtual bool HasEntry(const wxString& strName) const;
virtual bool Read(wxString *pstr, const char *szKey,
const char *szDefault = 0) const;
virtual const char *Read(const char *szKey,
const char *szDefault = 0) const;
virtual bool Read(long *pl, const char *szKey, long lDefault) const;
virtual long Read(const char *szKey, long lDefault) const
{ return wxConfig::Read(szKey, lDefault); }
virtual bool Write(const char *szKey, const char *szValue);
virtual bool Write(const char *szKey, long lValue);
virtual bool Flush(bool bCurrentOnly = FALSE);
@@ -141,12 +146,14 @@ public:
{
public:
// ctor
LineList(const wxString& str, LineList *pNext = NULL) : m_strLine(str)
{ SetNext(pNext); }
//
LineList(const wxString& str, LineList *pNext = NULL) : m_strLine(str)
{ SetNext(pNext); SetPrev(NULL); }
//
LineList *Next() const { return m_pNext; }
LineList *Prev() const { return m_pPrev; }
void SetNext(LineList *pNext) { m_pNext = pNext; }
void SetPrev(LineList *pPrev) { m_pPrev = pPrev; }
//
void SetText(const wxString& str) { m_strLine = str; }
@@ -154,13 +161,15 @@ public:
private:
wxString m_strLine; // line contents
LineList *m_pNext; // next node
LineList *m_pNext, // next node
*m_pPrev; // previous one
};
// functions to work with this list
LineList *LineListAppend(const wxString& str);
LineList *LineListInsert(const wxString& str,
LineList *pLine); // NULL => Append()
LineList *LineListInsert(const wxString& str,
LineList *pLine); // NULL => Prepend()
void LineListRemove(LineList *pLine);
bool LineListIsEmpty();
private:
@@ -268,7 +277,7 @@ protected:
// will also recursively set parent's dirty flag
void SetDirty();
void SetLine(LineList *pLine);
// the new entries in this subgroup will be inserted after the last subgroup
// or, if there is none, after the last entry
void SetLastEntry(ConfigEntry *pLastEntry) { m_pLastEntry = pLastEntry; }